C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Need LT1 help.......

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Old May 3, 2002 | 06:37 PM
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Default Need LT1 help.......

Does anyone here know if an LT1 out of a 93' Vette will work in a 95' Z28 vert? What changes are needed to do this. FYI, the LT1 in the Z28 is toast. :(
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Old May 3, 2002 | 06:54 PM
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Default Re: Need LT1 help....... (LT5FIRE)

well a '93 uses a speed density setup instead of mass airflow measurement.. they have different computers..
but you could use the bottom ends just the same i think.. only differences are in the intake and computer..

somebody correct me if i'm wrong..

-mikey
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Old May 3, 2002 | 06:58 PM
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Default Re: Need LT1 help....... (LT5FIRE)

Mounting brackets for accessories are different, water pump connections point in different directions.
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Old May 3, 2002 | 07:29 PM
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Default Re: Need LT1 help....... (John Row)

Thanks.
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Old May 3, 2002 | 08:19 PM
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Default Re: Need LT1 help....... (LT5FIRE)

:yesnod: Use an F-body water pump housing and computer, you'll be fine. Unless you were transplanting the wiring harness from the 93, everything will work just fine.
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Old May 4, 2002 | 04:27 PM
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Default Re: Need LT1 help....... (LT5FIRE)

How about a 383 LT1 motor while your doing the change over ?

Whats that ? budget ? don't let that stand in the way. :lol:
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Old May 4, 2002 | 04:39 PM
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Default Re: Need LT1 help....... (AquaMetallic94LT1)

My wife hates it when I bring up the B word. :lol:
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Old May 4, 2002 | 06:32 PM
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Default Re: Need LT1 help....... (AquaMetallic94LT1)

I found a 93' Vette LT1 for cheap and I was wondering if it would be compatible. I need to save my dimes for moding the LT5. :cheers:
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Old May 4, 2002 | 07:20 PM
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Default Re: Need LT1 help....... (John Row)

Mounting brackets for accessories are different, water pump connections point in different directions.
:yesnod:
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Old May 6, 2002 | 02:36 PM
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Default Re: Need LT1 help....... (LT5FIRE)

The block and heads will work fine. Some sensors may be in different spots, but I think they all match. The intake is different so you would need to reuse the one from the Z. Should work pretty good.
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Old May 6, 2002 | 02:38 PM
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Default Re: Need LT1 help....... (Vette92)

Another thing to mention. The '95 Z has the updated optispark so you will want to swap quite a few things off the front of the Z to put on the Vette LT1 if it is from the '93. May be worth looking for an LT1 motor that uses the later style opti.
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Old May 6, 2002 | 02:40 PM
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Default Re: Need LT1 help....... (Vette92)

Just use the block and heads portion.
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Old May 6, 2002 | 05:39 PM
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Default Re: Need LT1 help....... (LT5FIRE)

Where is the knock sensor located on the 93' LT1? Is it in front of the starter like the 95' Z? :confused:
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Old May 6, 2002 | 06:44 PM
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Default Re: Need LT1 help....... (LT5FIRE)

Knock sensors are on each side of the block (2) and should be the same on both motors.
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Old May 6, 2002 | 07:18 PM
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Default Re: Need LT1 help....... (Vette92)

Headers and exhaust are more restrictive on the camaro. Get aftermarket ones. This is one of the ways GM make the same motor slower in the camaro so the vette would be top dog.
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Old May 6, 2002 | 08:09 PM
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Default Re: Need LT1 help....... (Vette92)

on the note of different optisparks or later model ones anyhow.. the camshaft dowel pin in the front may be protruding with a different dimension than necessary.. when i put an lt4 hot cam in my car the instructions said to leave one amount of protrusion for early model opti's and another amount for later model.. so measure the dowel pin depth on the camshafts and compare..
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Old May 6, 2002 | 09:02 PM
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Default Re: Need LT1 help....... (mikey)

Good Luck :)
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Old May 6, 2002 | 09:44 PM
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Default Re: Need LT1 help....... (mackeyred96)

Good Luck :)
:cheers:
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